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2020 Cadillac CT5-V Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Cadillac CT5-V wheels? This page gives the 2020 Cadillac CT5-V bolt pattern (5x120), centre bore, factory rim size and the offset range for aftermarket and forged Cadillac CT5-V rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Cadillac CT5-V (2020): 5x120 bolt pattern, 66.9mm center bore. Factory wheels: 19x8.5J F/R. Reference fitment ranges.
Bolt Pattern5x120
Wheel Bolt/NutM12x1.5 Nut
Center Bore66.9mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Year2020
CategorySedan
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 19x8.5J F/R |
| Flush Fitment | 20x9.5J at ET30 offset |
| Maximum Aggressive | 20x10.0J at ET25 offset |
Forged Wheel Designs for the Cadillac CT5-V
Every design below is forged to order, so it can be machined to the Cadillac CT5-V's 5x120 bolt pattern and 66.9 mm center bore, with the width and offset calculated for your setup.
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How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
The Cadillac CT5-V's factory wheel spec reflects a deliberate balance between comfort, steering feel and durability that the engineering team tuned for. Forging lets ANKUSI match that same strength target while trimming rotational mass — the part of a wheel upgrade that actually changes how the car drives, not just how it looks.
The Cadillac CT5-V runs a 5x120 bolt pattern, 66.9mm center bore, and a 19x8.5J, front and rear, wheel from the factory. Our Flush Fitment reference is 20x9.5J ET30, which tucks the tire under the fender lip on a stock-height Cadillac CT5-V. Our Maximum Aggressive reference is 20x10.0J ET25 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Cadillac CT5-V OE Wheel Specs
The 2020 Cadillac CT5-V (Sedan) uses a 5x120 bolt pattern with a 66.9mm center bore. Factory wheels are 19x8.5J F/R.
Why the factory spec works for most owners:
- Balances ride comfort with everyday drivability
- A commonly used size for this vehicle class, supporting parts and tire availability
- Maintains clearance for the factory suspension and brake components
- Provides stable, predictable handling across normal driving conditions
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Cadillac CT5-V (2020) we drill the 5x120 pattern and cut the centre bore to 66.9mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Offset & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: 19x8.5J ET35 → ~6.13″ backspacing
- Flush: 20x9.5J ET30 → ~6.43″ backspacing
- Max: 20x10.0J ET25 → ~6.48″ backspacing
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Cadillac spec, or want a wheel built to a custom offset for your Cadillac CT5-V? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Frequently Asked Questions
What bolt pattern (PCD) does the Cadillac CT5-V use?
The 2020 Cadillac CT5-V uses a 5x120 bolt pattern.
How many lug bolts does the Cadillac CT5-V use?
The Cadillac CT5-V uses a 5-lug bolt pattern (5x120), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Cadillac CT5-V?
The Cadillac CT5-V's center bore is 66.9mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Cadillac CT5-V?
Factory wheels on the Cadillac CT5-V are 19x8.5J F/R.
What is the biggest wheel size I can fit on my Cadillac CT5-V without rubbing?
The most aggressive fitment we recommend without fender work is 20x10.0J at ET25 offset. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Cadillac CT5-V?
For a flush look with minimal to no rubbing, we recommend 20x9.5J at ET30 offset as a starting point on a stock or mildly lowered Cadillac CT5-V.
Do I need wheel spacers for my Cadillac CT5-V?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Cadillac CT5-V?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 6.43" of backspacing.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Cadillac CT5-V?
The Cadillac CT5-V runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.